|                                                                    |   | Year Ended December 31,              |       |
|------------------------------------------------------------------------------|--------|--------------------------------------|------------|
|                                                                         |   | 2010                                 |       |   | 2009 |   |   | 2008 |   |   | 2007 |   |   | 2006 |   |
|                                                                         |   | (thousands of pesos                  |       |
|                                                                         |   | and share amounts, except per share) |       |
|                                                                         |   |                                 |       |   |   |   |   |   |   |   |   |   |   |   |   |
| Weighted average shares (Basic EPS) U.S. GAAP                                |   |                                 | 789,819    |   |   |   | 789,819 |   |   |   | 789,819 |   |   |   | 560,176 |   |   |   | 247,853 |   |
| Weighted average shares (Diluted EPS) U.S. GAAP                              |   |                                 | 833,588    |   |   |   | 833,611 |   |   |   | 829,337 |   |   |   | 606,144 |   |   |   | 404,479 |   |
| Net (loss) Income under U.S. GAAP for basic computation                      |   |                                 | (866,409   | ) |   |   | (377,435 | ) |   |   | (240,058 | ) |   |   | 160,999 |   |   |   | (527,279 | ) |
| Preferred stock dividend under US GAAP not available for common shareholders |   |                                 | —    |   |   |   | — |   |   |   | — |   |   |   | — |   |   |   | (539,738 | ) |
| Amount allocated to preferred shareholders                                   |   |                                 | —    |   |   |   | — |   |   |   | — |   |   |   | — |   |   |   | — |   |
| Net (loss) Income under U.S. GAAP for dilutive computation                   |   |                                 | (866,409   | ) |   |   | (377,435 | ) |   |   | (240,058 | ) |   |   | 160,999 |   |   |   | 12,459 |   |
| Basic EPS U.S. GAAP                                                          |   |                                 | (1.10      | ) |   |   | (0.48 | ) |   |   | (0.30 | ) |   |   | 0.29 |   |   |   | (2.13 | ) |
| Diluted EPS U.S. GAAP                                                        |   |                                 | (1.10      | ) |   |   | (0.48 | ) |   |   | (0.30 | ) |   |   | 0.27 |   |   |   | 0.03 |   |
| Weighted average shares (Basic EPS) MFRS                                     |   |                                 | 789,819    |   |   |   | 789,819 |   |   |   | 789,819 |   |   |   | 560,176 |   |   |   | 442,928 |   |
| Weighted average shares (Diluted EPS) MFRS                                   |   |                                 | —    |   |   |   | — |   |   |   | — |   |   |   | 606,144 |   |   |   | 467,628 |   |
| Net (loss) Income under MFRS for basic computation                           |   |                                 | (1,184,879 | ) |   |   | (303,558 | ) |   |   | (437,763 | ) |   |   | 36,196 |   |   |   | (29,267 | ) |
| Net (loss) Income under MFRS for dilutive computation                        |   |                                 | (1,184,879 | ) |   |   | (303,558 | ) |   |   | (437,763 | ) |   |   | 36,196 |   |   |   | (29,267 | ) |
| Basic EPS MFRS                                                               |   |                                 | (1.50      | ) |   |   | (0.38 | ) |   |   | (0.55 | ) |   |   | 0.06 |   |   |   | (0.07 | ) |
| Diluted EPS MFRS                                                             |   |                                 | —    |   |   |   | — |   |   |   | — |   |   |   | 0.06 |   |   |   | (0.06 | ) |

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